anthonystupid
anthonystupid anthonystupid
  • 10-03-2021
  • Mathematics
contestada

can someone tell me the common ratio? math help pls

can someone tell me the common ratio math help pls class=

Respuesta :

nicholas6629
nicholas6629 nicholas6629
  • 10-03-2021

common ratio is equal to ar^n-1.

a=-1/2, r=?

T2=-1=ar^n-1

n=2

-1/2*r ^2-1=-1

r=1

Answer Link

Otras preguntas

HELP ASAP will give brainliest for answer
How i can answer this question
2 1/5 liters of water and 1 1/3 liters of juice are used for a team breakfast, How many liters of drink were used for the breakfast? Enter your answer as a mixe
How i can answer this question?
A local volunteer group has 150 raffle tickets to sell. They sell them in packs of three tickets per customer. Determine which graph and which equation represen
How does trade ensure greater political stability?
EASY 9TH GRADE MATH Write an equation in point-slope form that passes through the point (1,-10) and is perpendicular to y = -1/3 x + 5. Do NOT type spaces betwe
What is number 10 for this?
Calculate the emf of the following concentration cell: Au(s) | Au3+ (0.10 M) || Au3+ (0.50 M) | Au(s)
Can someone please explain this to me